/Engine/Source/Runtime/Engine/Classes/GameFramework/CharacterMovementComponent.h
Move up steps or slope. Does nothing and returns false if CanStepUp(Hit) returns false.
true if the step up was successful.
virtual bool StepUp ( const FVector & GravDir, const FVector & Delta, const [FHitResult](API\Runtime\Engine\Engine\FHitResult) & Hit, [FStepDownResult](API\Runtime\Engine\FStepDownResult) * OutStepDownResult )